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Transcript levels of early embryo development-related genes at the zygotic genome activation and blastocyst stages of IVF, NT-CON, NT-AZA and NT-TSA embryos. The transcript abundance for each gene (Thy1 and Col5a2 in cloned embryos) in IVF embryos was considered the control. The data are expressed as means ± SEM. a–c Values for a given gene at a certain stage in columns with different superscripts differ significantly (P < 0.05).
